The research supposes that the Glorious Qura'an is miraculous in which the use of the forms, expressions words and letters came according to a special order according to the context of situation.Accordingly the researcher studies the adverb () with its different forms of "disproof", "apocopate" and the "conditional adverbial" which means () in its context of situations and how to use it, the meanings that carries as well as the frequency of its occurrence.The number of the suras in which the adverb () occurred in the Glorious Qura'an in all its types is 47 suras in 162 contexts of situations, eight of them as the apocopate () which precede the present tense verb, three of them mean () the rest 151 ones are the conditional adverbial () which is the frequent use in the Glorious Qura'an when the contexts is about the Prophets (peace be upon them) when they struggled to reveal the message of Islam by discussing and debating with their opponents.On the other hand, the suras which include the worships as the prayers, fast, charity, pilgrimage, legislations as marriage, divorce and heritage no occurrence of () was noticed. The results of this might be seen in what follows.I hope that this research will be a fruitful work for me and a supply in the balance of my benefactions in the Hereafter.